Document Detail

Effect of calcination on sintering of hydroxyapatite.
MedLine Citation:
PMID:  8902238     Owner:  NLM     Status:  MEDLINE    
Four different temperatures (700-1000 degrees C) were chosen for calcination treatment of as-received hydroxyapatite powder before press forming and sintering to study the effect of calcination on the sintering behaviours. The results show that calcination treatment increases the average particle size and distribution, which changes from trimodal to monomodal. The sintering behaviours were investigated by dilatometry and density measurement. Fluidity of powder and driving force for sintering were found to dominate the properties. Calcining at 900 degrees C and sintering 1250 degrees C results in a higher bending strength (about 55 MPa) with finer grain size.
H Y Juang; M H Hon
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Biomaterials     Volume:  17     ISSN:  0142-9612     ISO Abbreviation:  Biomaterials     Publication Date:  1996 Nov 
Date Detail:
Created Date:  1997-02-04     Completed Date:  1997-02-04     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8100316     Medline TA:  Biomaterials     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  2059-64     Citation Subset:  IM    
Department of Materials Science and Engineering, National Cheng Kung University, Tainan, Taiwan.
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MeSH Terms
Hot Temperature
Particle Size
Physical Phenomena
Reg. No./Substance:
0/Hydroxyapatites; 0/Powders

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